CN111444368B - Method and device for constructing user portrait, computer equipment and storage medium - Google Patents
Method and device for constructing user portrait, computer equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a method, a device, computer equipment and a storage medium for constructing a user portrait, wherein the method comprises the following steps: generating a corresponding first index node for each basic index parameter in a graph database respectively; generating a corresponding second index node for each intermediate index parameter in the graph database respectively; adding a corresponding index association relationship between the first index node and the second index node; generating corresponding label nodes for each label parameter in the graph database respectively; adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes; clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database; adding a tag group association between each tag group node and the corresponding respective tag node to form a user representation of the target object in the graph database.
Description
Technical Field
The invention relates to the technical field of internet, in particular to a method and a device for constructing a user portrait, computer equipment and a storage medium.
Background
Along with the development of the internet, the construction of a user portrait is more and more important, the user portrait can objectively reflect the behavior track, the habit characteristics, the service requirements and the like of a user by utilizing a multi-dimensional view of data, and necessary technical support is provided for the improvement of the service capability of each field and the mining of data analysis; however, once the user image is formed, the reverse interpretation of the user tag result is performed, the existing system usually needs to perform backtracking and association query layer by layer, and needs to acquire and associate layer by layer through different systems, and the user needs to query and understand step by step; if the user portrait is associated with a large number of labels, a very complex relationship network is formed, so that the user portrait can be interpreted in a reverse direction in a very unclear and confusing manner, and the user portrait is difficult to understand and clearly comb by a layperson.
Disclosure of Invention
The invention aims to provide a method, a device, computer equipment and a storage medium for constructing a user portrait, which can construct the user portrait through a graph database and facilitate data search and data tracing.
According to an aspect of the present invention, there is provided a method for constructing a user representation, comprising the steps of:
acquiring basic index parameters of a target object, and generating corresponding first index nodes for each basic index parameter in a graph database; the basic index parameter is obtained by preprocessing the metadata of the target object;
acquiring intermediate index parameters of the target object, and generating corresponding second index nodes for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
acquiring label parameters of the target object, and generating corresponding label nodes for each label parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database;
and adding label group association relation between each label group node and each corresponding label node in the graph database so as to form a user portrait of the target object in the graph database.
Optionally, the method further includes:
adding index attribute information for each index incidence relation; wherein the index attribute information includes: and generating a rule and an association relation weight value according to the corresponding preset indexes.
Optionally, the method further includes:
adding label attribute information for each label association relation; wherein the tag attribute information includes: and generating a rule and an association relation weight value by the corresponding preset label.
Optionally, the method further includes:
when a request message sent by a client is received, acquiring a user portrait corresponding to the request message from the graph database, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait;
wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
Optionally, the method further includes:
when a tracing message sent by a client is received, acquiring a target node corresponding to the tracing message from the graph database, and determining a root node forming the target node according to a user figure where the target node is located; the target node and the root node are a first index node, a second index node, a label node or a label group node in the user representation.
Optionally, the method further includes:
when a modification message is received, acquiring a user portrait corresponding to the modification message from the graph database, and adding, deleting or changing node information and corresponding incidence relation information in the user portrait according to the modification message.
According to another aspect of the present invention, there is provided an apparatus for constructing a user representation, comprising:
the first node module is used for acquiring basic index parameters of the target object and generating a corresponding first index node for each basic index parameter in the graph database; the basic index parameter is obtained by preprocessing the metadata of the target object;
the second node module is used for acquiring intermediate index parameters of the target object and generating a corresponding second index node for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
the index association module is used for adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
the tag node module is used for acquiring tag parameters of the target object and generating corresponding tag nodes for each tag parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
the label association module is used for adding corresponding label association relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
the tag group node module is used for clustering and grouping all tag nodes to obtain each tag group and respectively generating tag group nodes representing each tag group in the graph database;
and the tag group association module is used for adding tag group association relation between each tag group node and each corresponding tag node in the graph database so as to form the user portrait of the target object in the graph database.
Optionally, the apparatus further comprises:
the response module is used for acquiring a user portrait corresponding to the request message from the graph database when the request message sent by the client is received, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait; wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
According to another aspect of the present invention, there is also provided a computer device, specifically including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the above method of constructing a user representation when executing the program.
According to another aspect of the invention, there is also provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the above method of constructing a user representation.
The invention provides a method, a device, computer equipment and a storage medium for constructing a user portrait, which can visually express indexes, index rules, tags, tag rules and tag groups used for producing user pictures through a graph database. In the invention, the user, the index, the label and the label group are defined as nodes, and the index rule and the label rule are defined as an incidence relation, so that the creation process of a user portrait can be recorded in a graph database mode. In addition, in the invention, the graph database is used for storing the user portrait related information, the query can be passed only by one simple cypher sentence, and the execution speed is much higher.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic flow chart illustrating an alternative method for constructing a user representation according to an embodiment;
FIG. 2 is a schematic diagram of an alternative program module of the apparatus for constructing a user representation according to the second embodiment;
fig. 3 is a schematic diagram of an alternative hardware architecture of the computer device according to the third embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment of the invention provides a method for constructing a user portrait, which specifically comprises the following steps as shown in figure 1:
step S101: acquiring basic index parameters of a target object, and generating corresponding first index nodes for each basic index parameter in a graph database; and the basic index parameter is obtained by preprocessing the metadata of the target object.
Wherein the target object can be an individual, a group, an enterprise or a project, and the target object is an object for constructing a user portrait;
the metadata is a basic parameter for each dimension of the target object, for example, when the target object is a person, the metadata includes: personal basic information, bank card information, online shopping consumption information and the like;
the basic index parameter is a parameter obtained by preprocessing the metadata; the preprocessing is to perform word segmentation processing and standardization processing on the metadata, and extract characteristic information from the metadata to serve as basic index parameters; for example, when the metadata is the personal basic information, the user age information, the user height information, and the user weight information are extracted from the personal basic information as the basic index parameters.
Step S102: acquiring intermediate index parameters of the target object, and generating corresponding second index nodes for each intermediate index parameter in the graph database; and the intermediate index parameter is calculated according to the basic index parameter and a preset index generation rule.
In this embodiment, an intermediate index parameter is calculated according to a preset index generation rule based on one or more basic index parameters. Each intermediate index parameter has a corresponding preset index generation rule; a preset index generation rule of the intermediate index parameter comprises the following steps: one or more base index parameters, and arithmetic logic; for example, when the intermediate index parameter is the total monthly consumption of the user, the basic index parameters include: the payment information of the user in the current month of each bank card and the loan information of the user in the current month of each network loan platform; the operation logic is to add all the expenditure information of the current month and the loan information of the current month to obtain the total expenditure amount of the current month of the user.
Step S103: and adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule.
Specifically, the method further comprises:
adding index attribute information for each index incidence relation; wherein the index attribute information includes: and generating a rule and an association relation weight value according to the corresponding preset indexes.
Because one second index node can be generated according to a plurality of first index nodes, the influence of each first index node on the second index node is different, the weight value corresponding to the first index node with large influence is large, and the weight value corresponding to the first index node with small influence is small.
In this embodiment, an index association relationship exists between one second index node and one or more first index nodes; in addition, since one first index node may be used to generate a plurality of second index nodes, one first index node may also have index association with the plurality of second index nodes.
Step S104: acquiring label parameters of the target object, and generating corresponding label nodes for each label parameter in the graph database; and the label parameter is obtained by calculation according to the first index node and/or the second index node and a preset label generation rule.
Presetting a label generation rule which is a rule for calculating label parameters according to a certain operation logic according to basic index parameters and/or intermediate index parameters; each label parameter has a corresponding preset label rule; a preset tagging rule for tagging parameters includes: a base index parameter and/or an intermediate index parameter, and an arithmetic logic.
Step S105: and adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule.
Specifically, the method further comprises:
adding label attribute information for each label incidence relation; wherein the tag attribute information includes: and generating a rule and an association relation weight value by the corresponding preset label.
In this embodiment, a label association relationship exists between one label node and one or more index nodes; in addition, since one index node may be used to generate a plurality of label nodes, one label node may have a label association relationship with a plurality of index nodes.
Step S106: and clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database.
In this embodiment, each tag node is grouped according to a preset clustering grouping rule, and tag nodes with the same attribute feature are grouped into one tag group.
Step S107: and adding label group association relation between each label group node and each corresponding label node in the graph database so as to form a user portrait of the target object in the graph database.
In this embodiment, each tag node may be divided into only one tag group node, and therefore, there may be a tag group association relationship between one tag group node and a plurality of tag nodes.
In this embodiment, the index, index rule, tag rule, and tag group used for producing the user image are visually expressed by the graph database. Two basic data types are contained in a graph database: nodes and association relations Relationships; the nodes are connected together through the incidence relation to form a relation type network result. In the label index management system of the user portrait, a user, an index, a label and a label group can be defined as nodes, and an index rule and a label rule are defined as an incidence relation, so that the creation process of the user portrait can be recorded in a graph database mode.
Specifically, the method further comprises:
when a request message sent by a client is received, acquiring a user portrait corresponding to the request message from the graph database, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait;
wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
Further, when the client receives the user representation, performing the following steps:
step A1: the client side respectively draws first graphs for representing the first index nodes in a display interface, respectively draws second graphs for representing the second index nodes above the drawn first graphs, and draws first connecting lines between the first graphs and the second graphs according to the index association relation.
Preferably, the method further comprises:
according to the index attribute information of each index incidence relation, adding a first identifier used for representing a corresponding index generation rule on a corresponding first connecting line, and adjusting the thickness of the first connecting line according to the incidence relation weight value.
Step A2: and the client side respectively draws a third graph for representing each label node above the drawn second graph, and draws a second connecting line between the first graph and the third graph and between the second graph and the third graph according to the label association relation.
Preferably, the method further comprises:
and adding a second identifier for representing a corresponding label generation rule on a corresponding second connecting line according to the label attribute information of each label incidence relation, and adjusting the thickness of the second connecting line according to the incidence relation weight value.
Step A3: and the client side respectively draws a fourth graph for representing each label group node above the drawn third graph, and draws a third connecting line between the third graph and the fourth graph according to the label group association relation.
It should be noted that the first, second, third and fourth graphics can be distinguished by shape and color; the first connecting line, the second connecting line and the third connecting line can be distinguished by different line segments.
Through the steps A1 to A3, a visual user image analysis graph can be drawn for the target object, the generation process of the user portrait is visualized, and the user portrait result can be interpreted and traced.
Furthermore, the method further comprises:
when a tracing message sent by a client is received, acquiring a target node corresponding to the tracing message from the graph database, and determining a root node forming the target node according to a user figure where the target node is located; the target node and the root node are a first index node, a second index node, a label node or a label group node in the user portrait.
For example, when the target node is a tag node, each second index node associated with the tag node and a first index node corresponding to each second index node are determined according to the corresponding user image, and at this time, the first index node and the second index node forming the tag node are root nodes.
Because the traditional user image is stored in a relational database, if the relation between the index and the label is complex, a plurality of data tables need to be stored, the traditional database can only inquire some data through various link table operations, and sql is responsible for writing, is not beneficial to maintenance and has low performance. In the embodiment, the graph database is used for storing the user portrait related information, the query can be passed only by one simple cypher sentence, and the execution speed is much higher.
Furthermore, the method further comprises:
when a modification message is received, acquiring a user portrait corresponding to the modification message from the graph database, and adding, deleting or changing node information and corresponding incidence relation information in the user portrait according to the modification message.
Example two
The embodiment of the invention provides a device for constructing a user portrait, which specifically comprises the following components as shown in FIG. 2:
a first node module 201, configured to obtain basic index parameters of a target object, and generate a corresponding first index node for each basic index parameter in a graph database; the basic index parameter is obtained by preprocessing the metadata of the target object;
a second node module 202, configured to obtain intermediate index parameters of the target object, and generate a corresponding second index node for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
the index association module 203 is configured to add a corresponding index association relationship between the first index node and the second index node in the graph database according to the preset index generation rule;
a tag node module 204, configured to obtain tag parameters of the target object, and generate a corresponding tag node for each tag parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
a tag association module 205, configured to add, in the graph database, corresponding tag association relationships among the first index nodes, the second index nodes, and the tag nodes according to the preset tag generation rule;
a tag group node module 206, configured to perform clustering grouping on all tag nodes to obtain each tag group, and generate tag group nodes representing each tag group in the graph database, respectively;
and the tag group association module 207 is used for adding tag group association relations between each tag group node and each corresponding tag node in the graph database so as to form the user portrait of the target object in the graph database.
Specifically, the index association module 203 is further configured to:
adding index attribute information for each index incidence relation; wherein the index attribute information includes: and generating a rule and an association relation weight value according to the corresponding preset indexes.
The tag association module 205 is further configured to:
adding label attribute information for each label association relation; wherein the tag attribute information includes: and generating a rule and an association relation weight value by the corresponding preset label.
Further, the apparatus further comprises:
the response module is used for acquiring a user portrait corresponding to the request message from the graph database when the request message sent by the client is received, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait; wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
The device further comprises:
the source tracing module is used for acquiring a target node corresponding to a source tracing message from the graph database when the source tracing message sent by a client is received, and determining a root node forming the target node according to a user figure where the target node is located; the target node and the root node are a first index node, a second index node, a label node or a label group node in the user representation.
The device further comprises:
and the updating module is used for acquiring the user portrait corresponding to the modification message from the graph database when the modification message is received, and adding, deleting or changing the node information and the corresponding incidence relation information in the user portrait according to the modification message.
EXAMPLE III
The embodiment also provides a computer device, such as a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server or a rack server (including an independent server or a server cluster composed of a plurality of servers) capable of executing programs, and the like. As shown in fig. 3, the computer device 30 of the present embodiment includes at least but is not limited to: a memory 301, a processor 302 communicatively coupled to each other via a system bus. It is noted that fig. 3 only shows a computer device 30 with components 301-302, but it is to be understood that not all shown components are required to be implemented, and that more or fewer components may be implemented instead.
In this embodiment, the memory 301 (i.e., the readable storage medium) includes a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. In some embodiments, the storage 301 may be an internal storage unit of the computer device 30, such as a hard disk or a memory of the computer device 30. In other embodiments, the memory 301 may also be an external storage device of the computer device 30, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like, provided on the computer device 30. Of course, the memory 301 may also include both internal and external storage devices for the computer device 30. In this embodiment, the memory 301 is generally used for storing an operating system and various types of application software installed in the computer device 30, such as program codes of the apparatus for constructing a user representation of the second embodiment. In addition, the memory 301 may also be used to temporarily store various types of data that have been output or are to be output.
Processor 302 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 302 generally serves to control the overall operation of the computer device 30.
In particular, in this embodiment, processor 302 is configured to execute a program of a method of constructing a user representation stored in processor 302, which when executed implements the steps of:
acquiring basic index parameters of a target object, and generating a corresponding first index node for each basic index parameter in a graph database; the basic index parameters are obtained by preprocessing the metadata of the target object;
acquiring intermediate index parameters of the target object, and generating corresponding second index nodes for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
acquiring label parameters of the target object, and generating corresponding label nodes for each label parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database;
and adding label group association relation between each label group node and each corresponding label node in the graph database so as to form a user portrait of the target object in the graph database.
The specific embodiment process of the above method steps can be referred to in the first embodiment, and the detailed description of this embodiment is not repeated here.
Example four
The present embodiments also provide a computer readable storage medium, such as a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App, etc., having stored thereon a computer program that when executed by a processor implements the method steps of:
acquiring basic index parameters of a target object, and generating corresponding first index nodes for each basic index parameter in a graph database; the basic index parameter is obtained by preprocessing the metadata of the target object;
acquiring intermediate index parameters of the target object, and generating corresponding second index nodes for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
acquiring label parameters of the target object, and generating corresponding label nodes for each label parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database;
and adding label group association relation between each label group node and each corresponding label node in the graph database so as to form a user portrait of the target object in the graph database.
The specific embodiment process of the above method steps can be referred to in the first embodiment, and the detailed description of this embodiment is not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A method of constructing a user representation, the method comprising:
acquiring basic index parameters of a target object, and generating corresponding first index nodes for each basic index parameter in a graph database; the basic index parameters are obtained by preprocessing the metadata of the target object;
acquiring intermediate index parameters of the target object, and generating corresponding second index nodes for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
acquiring label parameters of the target object, and generating corresponding label nodes for each label parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
adding corresponding label incidence relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
clustering and grouping all the label nodes to obtain each label group, and respectively generating label group nodes representing each label group in the graph database;
adding tag group association relations between each tag group node and each corresponding tag node in the graph database so as to form a user portrait of the target object in the graph database;
the method further comprises the following steps:
when a tracing message sent by a client is received, acquiring a target node corresponding to the tracing message from the graph database, and determining a root node forming the target node according to a user figure where the target node is located; the target node and the root node are a first index node, a second index node, a label node or a label group node in the user representation.
2. A method of constructing a user representation as claimed in claim 1, the method further comprising:
adding index attribute information for each index incidence relation; wherein the index attribute information includes: and generating a rule and an association relation weight value according to the corresponding preset indexes.
3. A method of constructing a user representation as claimed in claim 1, the method further comprising:
adding label attribute information for each label incidence relation; wherein the tag attribute information includes: and generating a rule and an association relation weight value by the corresponding preset label.
4. A method of constructing a user representation as claimed in claim 1, the method further comprising:
when a request message sent by a client is received, acquiring a user portrait corresponding to the request message from the graph database, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait;
wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
5. A method of constructing a user representation as claimed in claim 2, further comprising:
when a modification message is received, acquiring a user portrait corresponding to the modification message from the graph database, and adding, deleting or changing node information and corresponding incidence relation information in the user portrait according to the modification message.
6. An apparatus for constructing a representation of a user, the apparatus comprising:
the first node module is used for acquiring basic index parameters of the target object and generating a corresponding first index node for each basic index parameter in the graph database; the basic index parameter is obtained by preprocessing the metadata of the target object;
the second node module is used for acquiring intermediate index parameters of the target object and generating a corresponding second index node for each intermediate index parameter in the graph database; the intermediate index parameter is obtained by calculation according to the basic index parameter and a preset index generation rule;
the index association module is used for adding a corresponding index association relation between the first index node and the second index node in the graph database according to the preset index generation rule;
the tag node module is used for acquiring tag parameters of the target object and generating corresponding tag nodes for each tag parameter in the graph database; the label parameters are obtained by calculation according to the first index node and/or the second index node and a preset label generation rule;
the label association module is used for adding corresponding label association relations among the first index nodes, the second index nodes and the label nodes in the graph database according to the preset label generation rule;
the tag group node module is used for clustering and grouping all tag nodes to obtain each tag group and respectively generating tag group nodes representing each tag group in the graph database;
the tag group association module is used for adding tag group association relation between each tag group node and each corresponding tag node in the graph database so as to form a user portrait of the target object in the graph database;
the device further comprises:
the source tracing module is used for acquiring a target node corresponding to a source tracing message from the graph database when the source tracing message sent by a client is received, and determining a root node forming the target node according to a user figure where the target node is located; the target node and the root node are a first index node, a second index node, a label node or a label group node in the user representation.
7. An apparatus for constructing a user representation as claimed in claim 6, further comprising:
the response module is used for acquiring a user portrait corresponding to the request message from the graph database when the request message sent by the client is received, and sending the user portrait to the client so that the client can draw a user portrait schematic diagram in a display interface according to the user portrait; wherein the user representation comprises: the system comprises a first index node, a second index node, an index association relation, a label node, a label association relation, a label group node and a label group association relation.
8. A computer device, the computer device comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 5 are implemented when the processor executes the program.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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